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DB-Engines Ranking of Key-value Stores

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The DB-Engines Ranking ranks database management systems according to their popularity. The ranking is updated monthly.

This is a partial list of the complete ranking showing only key-value stores.

Read more about the method of calculating the scores.

☐ include secondary database models				65 systems in ranking, May 2022
Rank			DBMS	Database Model	Score
May 2022	Apr 2022	May 2021			May 2022	Apr 2022	May 2021
1.	1.	1.	Redis Detailed vendor-provided information available	Key-value, Multi-model Key-value store, Document store, Graph DBMS, Spatial DBMS, Search engine, Time Series DBMS	179.02	+1.41	+16.85
2.	2.	2.	Amazon DynamoDB Detailed vendor-provided information available	Multi-model Document store, Key-value store	84.46	+1.55	+14.39
3.	3.	3.	Microsoft Azure Cosmos DB Detailed vendor-provided information available	Multi-model Document store, Graph DBMS, Key-value store, Wide column store, Spatial DBMS	40.22	-0.12	+5.51
4.	4.	4.	Memcached	Key-value	24.95	-0.23	+0.45
5.	5.	5.	etcd	Key-value	10.88	-0.68	+1.46
6.	6.	6.	Hazelcast	Key-value, Multi-model Key-value store, Document store	10.08	-0.16	+0.90
7.	7.	10.	Ignite	Multi-model Key-value store, Relational DBMS	7.09	-0.03	+2.70
8.	8.	9.	Riak KV	Key-value	6.63	-0.24	+2.05
9.	9.	7.	Ehcache	Key-value	6.47	-0.26	-0.76
10.	10.	8.	Aerospike Detailed vendor-provided information available	Key-value, Multi-model Key-value store, Document store	6.10	-0.17	+1.18
11.	11.	11.	ArangoDB Detailed vendor-provided information available	Multi-model Document store, Graph DBMS, Key-value store, Search engine	5.55	-0.10	+1.17
12.	12.	12.	OrientDB	Multi-model Document store, Graph DBMS, Key-value store	5.14	+0.06	+0.95
13.	13.	13.	Oracle NoSQL	Multi-model Document store, Key-value store, Relational DBMS	4.74	-0.22	+1.04
14.	14.	14.	Google Cloud Bigtable	Multi-model Key-value store, Wide column store	4.26	-0.03	+1.15
15.	15.	15.	RocksDB	Key-value	3.91	+0.02	+0.82
16.	16.	22.	ScyllaDB Detailed vendor-provided information available	Multi-model Key-value store, Wide column store	3.75	-0.12	+1.60
17.	17.	17.	Infinispan	Key-value	3.34	-0.06	+0.59
18.	18.	20.	LevelDB	Key-value	3.06	-0.13	+0.69
19.	19.	16.	InterSystems Caché	Multi-model Key-value store, Object oriented DBMS, Relational DBMS, Document store	3.01	-0.07	+0.11
20.	20.	18.	Oracle Berkeley DB	Multi-model Key-value store, Native XML DBMS	2.77	-0.02	+0.14
21.	21.	19.	Oracle Coherence	Key-value	2.61	+0.10	+0.17
22.	22.	23.	LMDB	Key-value	2.44	-0.02	+0.36
23.	23.	24.	InterSystems IRIS	Multi-model Document store, Key-value store, Object oriented DBMS, Relational DBMS	2.25	+0.08	+0.54
24.	24.	21.	Amazon SimpleDB	Key-value	2.11	-0.04	-0.05
25.	25.	25.	GridGain	Multi-model Key-value store, Relational DBMS	2.06	-0.05	+0.42
26.	26.	26.	Geode	Key-value	1.77	-0.09	+0.20
27.	29.	29.	FoundationDB	Multi-model Document store, Key-value store, Relational DBMS	1.44	+0.10	+0.23
28.	27.	27.	Tarantool	Key-value, Multi-model Key-value store, Document store, Relational DBMS, Spatial DBMS	1.34	-0.04	-0.08
29.	28.	28.	GT.M	Key-value	1.34	-0.03	+0.00
30.	30.	32.	Graph Engine	Multi-model Graph DBMS, Key-value store	0.91	-0.02	+0.21
31.	31.	30.	ZODB	Key-value	0.89	-0.03	-0.07
32.	32.	31.	NCache Detailed vendor-provided information available	Key-value, Multi-model Key-value store, Document store, Search engine	0.79	0.00	-0.14
33.	33.	33.	WebSphere eXtreme Scale	Key-value	0.58	-0.02	-0.10
34.	35.	36.	BoltDB	Key-value	0.55	+0.01	0.00
35.	34.	37.	MapDB	Key-value	0.53	-0.01	+0.02
36.	36.	34.	Tokyo Tyrant	Key-value	0.49	-0.02	-0.08
37.	38.	40.	Hibari	Key-value	0.46	+0.03	+0.10
38.	40.	35.	Scalaris	Key-value	0.42	+0.01	-0.14
39.	37.	39.	Project Voldemort	Key-value	0.42	-0.02	+0.03
40.	39.	38.	Faircom DB Detailed vendor-provided information available	Multi-model Key-value store, Relational DBMS	0.34	-0.08	-0.15
41.	41.	42.	KeyDB	Key-value	0.33	-0.01	+0.04
42.	42.	41.	LeanXcale Detailed vendor-provided information available	Multi-model Key-value store, Relational DBMS	0.18	0.00	-0.11
43.	45.		ArcadeDB	Multi-model Document store, Graph DBMS, Key-value store, Time Series DBMS	0.15	+0.03
44.	43.	43.	Faircom EDGE	Multi-model Key-value store, Relational DBMS	0.13	-0.03	-0.15
45.	46.	48.	Cloudflare Workers KV	Key-value	0.12	+0.01	+0.04
46.	44.	45.	Badger	Key-value	0.12	0.00	-0.04
47.	47.	54.	ScaleOut StateServer	Key-value	0.11	+0.01	+0.08
48.	48.		Immudb	Key-value, Multi-model Key-value store, Relational DBMS	0.08	-0.02
49.	51.	47.	Kyoto Tycoon	Key-value	0.04	-0.01	-0.05
50.	52.	51.	InfinityDB	Key-value	0.02	-0.01	-0.03
51.	53.	55.	LedisDB	Key-value	0.02	-0.01	+0.02
52.	54.	49.	SwayDB	Key-value	0.02	+0.00	-0.05
53.	49.	44.	STSdb	Key-value	0.01	-0.04	-0.17
54.	56.	57.	BergDB	Key-value	0.00	±0.00	±0.00
54.	56.	57.	Cachelot.io	Key-value	0.00	±0.00	±0.00
54.	56.	57.	CortexDB	Multi-model Document store, Key-value store	0.00	±0.00	±0.00
54.	56.	53.	Elliptics	Key-value	0.00	±0.00	-0.03
54.	56.	57.	Helium	Key-value	0.00	±0.00	±0.00
54.	56.	57.	HyperLevelDB	Key-value	0.00	±0.00	±0.00
54.	56.	52.	JaguarDB	Key-value	0.00	±0.00	-0.04
54.	50.	57.	Resin Cache	Key-value	0.00	-0.06	±0.00
54.	56.	50.	TerarkDB	Key-value	0.00	±0.00	-0.06
54.	56.	56.	Tkrzw	Key-value	0.00	±0.00	0.00
54.	56.	57.	TomP2P	Key-value	0.00	±0.00	±0.00
54.	55.	46.	Upscaledb	Key-value	0.00	0.00	-0.12

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